牙结石是一种形成于自然牙面或牙修复体上黏附的、钙化的或正在钙化的团块，通常是由牙菌斑钙化形成的，其无机质占70%～90%，主要有磷酸钙75.9%，碳酸钙3.1% 及少量其他物质，有机质为蛋白质和类脂质等。文献研究表明柠檬酸锌除了可以抑制牙菌斑外，其锌离子能有效地缓解或减少牙结石的形成，可作用在磷酸钙矿化过程中，具体过程分三方面: ①参与或干涉通常存在于牙结石中磷酸钙晶体的形成; ②促进水溶解性更好的磷酸钙盐形成，如磷酸三钙等; ③吸附在已经生成的磷酸钙晶面上，限制其进一步生长。有研究者发现锌离子低浓度时可抑制二水合磷酸二钙、磷酸三钙等晶体的生长，高浓度时可帮助形成非晶态磷酸钙和锌取代的磷酸三钙。多项临床试验也证实柠檬酸锌牙膏能有效地抑制牙结石，如，Stephen 等人三年临床实验发现含0.5%三水合柠檬酸锌牙膏与对照相比能显著地抑制口腔牙结石。

柠檬酸锌(Zinc Citrate)的抗牙结石作用

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L-谷氨酰胺L-Glutamine、L-异亮氨酸L-Isoleucine、L-色氨酸L-Tryptophan、甘氨酸铜Copper Glycinate、抗坏血酸锌Zinc Ascorbate、吡啶甲酸铬Chromium Picolinate、柠檬酸钾Potassium Citrate、甘氨酸硼Boron Glycinate、氨基酸螯合硒Selenium Amino Acid Chelate、葡萄糖酸镁Magnesium Gluconate

Anticalculus effect of Zinc Citrate

Dental calculus is a kind of calcified or calcifying mass formed on the natural tooth surface or dental prosthesis, usually formed by dental plaque calcification, the inorganic matter accounts for 70% to 90%, mainly calcium phosphate 75.9%, calcium carbonate 3.1% and a small number of other substances, the organic matter is protein and lipids. Literature studies have shown that in addition to inhibiting dental plaque, zinc citrate can effectively relieve or reduce the formation of dental stones, and can act in the process of calcium phosphate mineralization. The specific process is divided into three aspects: (1) participate in or interfere with the formation of calcium phosphate crystals, which usually exist in dental stones; (2) Promote the formation of calcium phosphate with better water solubility, such as tricalcium phosphate; (3) Adsorbed on the generated calcium phosphate crystal surface, limiting its further growth. Researchers have found that low concentrations of zinc ions can inhibit the growth of crystals such as dicalcium dihydrate and tricalcium phosphate, and high concentrations can help form amorphous calcium phosphate and zinc-replaced tricalcium phosphate. A number of clinical trials have also confirmed that zinc citrate toothpaste can effectively inhibit dental calculus. For example, Stephen et al. Stephen's three-year clinical trial found that toothpaste containing 0.5% zinc citrate trihydrate can significantly inhibit dental calculus compared with the control group.

Anticalculus effect of Zinc Citrate

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L-Glutamine；L-Isoleucine；L-Tryptophan；Copper Glycinate；Zinc Ascorbate；Chromium Picolinate；Potassium Citrate；Boron Glycinate；Selenium Amino Acid Chelate；Magnesium Gluconate；